Why did it take a new system to promote good behavior for you to actually start being nice?
Why does it take money for me to actually wake up in the morning and go to work?
Don't get me wrong, I'm not implying that he improved his behavior solely for the reward. The honor system's positive reinforcement provoked him to reevaluate his behavior and become a genuinely pleasant player. That is what it is designed to do, right? Yes, working as intended. You can stop undermining the honor system now.
P.S. I've read some of your posts from threads besides this one and you really need to get off your high horse. You troll people who make threads about receiving (truly) undeserved bans because you believe in a flawless tribunal.